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Merge pull request #19068 from taosdata/fix/TD-21432 

fix: heap-use-after-free while transfer snapshot between vnode replicas
This commit is contained in:
Shengliang Guan 2022-12-21 17:34:21 +08:00 committed by GitHub
parent 78ab23aad8 510ad2e39e
commit 7bf180ba4b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 15 deletions
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32
source/libs/sync/src/syncSnapshot.c
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@ -122,15 +122,16 @@ int32_t snapshotSenderStart(SSyncSnapshotSender *pSender) {
pMsg->startTime = pSender->startTime;
pMsg->seq = SYNC_SNAPSHOT_SEQ_PRE_SNAPSHOT;
// event log
sSDebug(pSender, "snapshot sender start");
syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender start");
// send msg
if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
sSError(pSender, "snapshot sender send msg failed since %s", terrstr());
return -1;
}
// event log
sSDebug(pSender, "snapshot sender start");
syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender start");
return 0;
}
@ -208,14 +209,6 @@ int32_t snapshotSend(SSyncSnapshotSender *pSender) {
memcpy(pMsg->data, pSender->pCurrentBlock, pSender->blockLen);
}
// send msg
if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
sSError(pSender, "snapshot sender send msg failed since %s", terrstr());
return -1;
}
pSender->lastSendTime = taosGetTimestampMs();
// event log
if (pSender->seq == SYNC_SNAPSHOT_SEQ_END) {
sSDebug(pSender, "snapshot sender finish, seq:%d", pSender->seq);
@ -224,6 +217,14 @@ int32_t snapshotSend(SSyncSnapshotSender *pSender) {
sSDebug(pSender, "snapshot sender sending, seq:%d", pSender->seq);
syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender sending");
}
// send msg
if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
sSError(pSender, "snapshot sender send msg failed since %s", terrstr());
return -1;
}
pSender->lastSendTime = taosGetTimestampMs();
return 0;
}
@ -252,6 +253,10 @@ int32_t snapshotReSend(SSyncSnapshotSender *pSender) {
memcpy(pMsg->data, pSender->pCurrentBlock, pSender->blockLen);
}
// event log
sSDebug(pSender, "snapshot sender resend, seq:%d", pSender->seq);
syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender resend");
// send msg
if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
sSError(pSender, "snapshot sender resend msg failed since %s", terrstr());
@ -259,10 +264,6 @@ int32_t snapshotReSend(SSyncSnapshotSender *pSender) {
}
pSender->lastSendTime = taosGetTimestampMs();
// event log
sSDebug(pSender, "snapshot sender resend, seq:%d", pSender->seq);
syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender resend");
return 0;
}
@ -748,6 +749,7 @@ static int32_t syncNodeOnSnapshotTransfering(SSyncNode *pSyncNode, SyncSnapshotS
sRError(pReceiver, "snapshot receiver send resp failed since %s", terrstr());
return -1;
}
return 0;
}